1.下面先列出两种方式对比,然后再分用vs 和vscode分别详细说明 2.程序包管理器控制台 , Package Manager Console(PMC) 打开visual studio 程序包管理控制台,首先要善于使用pmc的帮助,输入get-help 查看帮助信息,根据提示我们可以输入 get-help about_entityframework 获取帮助信息,输入命令后我们应该能看到一只
The Package Manager Console (PMC) tools for Entity Framework Core perform design-time development tasks. For example, they createmigrations, apply migrations, and generate code for a model based on an existing database. The commands run inside of Visual Studio using thePackage Manager Console. The...
Entity Framework Migrations are handled from the package manager console in Visual Studio. The usage is shown in various tutorials, but I haven’t found a complete list of the commands available and their usage, so I created my own. There are four available commands. Enable-Migrations: Enables...
Entity Framework Migrations are handled from the package manager console in Visual Studio. The usage is shown in various tutorials, but I haven’t found a complete list of the commands available and their usage, so I created my own. There are four available commands. Enable-Migrations: Enables...
If theDbContextis in a different assembly than the startup project, you can explicitly specify the target and startup projects in either thePackage Manager Console toolsor the.NET Core CLI tools. Add a migration After your model has been changed, you can add a migration for that change: ...
Enable-Migrations 1. 生成的Configuration.cs类文件的构造函数 public Configuration() { AutomaticMigrationsEnabled = false; } 1. 2. 3. 4. 3>、Enable-Migrations指定项目名称 PM> Enable-Migrations -StartUpProjectName Portal 1. 如果在“Package Manager Console”中选择了默认项目可以不设置“-StartUpProject...
No migrations configuration type was found in the assembly '*** my assembly name'. (In Visual Studio you can use the Enable-Migrations command from Package Manager Console to add a migrations configuration). Any idea what I am missing here. All...
To manage migrations, you must first install the EF Core command-line tools. Tips If the DbContext is in a different assembly than the startup project, you can explicitly specify the target and startup projects in either the Package Manager Console tools or the .NET Core CLI tools. Add a...
默认情况下,EF Core会创建一个名为 "__EFMigrationsHistory" 的表来存储这些信息。 如果需要更改迁移历史表的列名,可以按照以下步骤进行操作: 创建一个新的迁移:使用EF Core的命令行工具(如dotnet ef命令)或Package Manager Console中的Add-Migration命令创建一个新的迁移。 在新的迁移中使用 migrationBuilder.Rename...
默认情况下,EF Core会创建一个名为 "__EFMigrationsHistory" 的表来存储这些信息。 如果需要更改迁移历史表的列名,可以按照以下步骤进行操作: 创建一个新的迁移:使用EF Core的命令行工具(如dotnet ef命令)或Package Manager Console中的Add-Migration命令创建一个新的迁移。 在新的迁移中使用 migrationBuilder.Rename...